Rainbow-electronics DS1616 Manual do Utilizador descarregar pdf (Página 26)

DS1616

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CAPACITANCE (T

A

= 25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Input Capacitance C

I

10 pF

Crystal Capacitance C

X

6pF

AC ELECTRICAL CHARACTERISTICS (-40°C to +85°C; V

CC

= 5.0V ±10%)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Vcc rise/fall time t

R

/t

F

3 500 ms

Delay from ST to INSPEC or

OUTSPEC Active

t

SS

560 ms

Delay from Specification Test

Command to

INSPEC or OUTSPEC

Active

t

CS

560 ms

Temperature and All Three ADC

Channels Data Conversion Time

(CSx = 1)

t

CONV

153 230 ms

One ADC Data Channel Only

Conversion Time (in response to

Read Data command) CS[1-3]=1

t

DCONV

110 ms

Temperature Only Conversion

Time (in response to Read Data

command) (CS0 = 1)

t

TCONV

150 200 ms

INSPEC and OUTSPEC Active

Low Pulse Width

t

SL

62.5 ms

INSPEC and OUTSPEC High

Duration

t

SH

437.5 ms

ASYNCHRONOUS SERIAL INTERFACE TIMING

(-40°C to +85°C; Vcc = 5.0V ±10%)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Data Rate f

BIT

9,408 9,600 9,792 Bits/sec 2

Turnaround Time t

TURN

2/ f

BIT

s

POWER-UP/DOWN WAVEFORM TIMING Figure 5

t

F

t

R

Vcc

4.75V

0.25V

1 2 ... 21 22 23 24 25 26 27 28

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